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at

Manage one-shot scheduled jobs via launchd and atd.

15|Updated Feb 21, 2026
Search Tags:#automation#cron#launchd#scheduler#task scheduling#atd
One-click install
npx skills add https://github.com/clonable-eden/cekernel --skill at
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: at
Source: https://github.com/clonable-eden/cekernel/tree/main/skills/at
Command: npx skills add https://github.com/clonable-eden/cekernel --skill at

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill automates the scheduling of one-time tasks, ensuring that specific commands or scripts run at a precise future moment without manual intervention.

Core Features & Use Cases

  • OS-Native Scheduling: Leverages launchd on macOS and atd on Linux/WSL for reliable execution.
  • Flexible Scheduling: Supports scheduling via specific datetimes in ISO 8601 format.
  • Job Management: Allows listing scheduled jobs and cancelling them by ID.
  • Use Case: Schedule a critical backup script to run every Sunday at 2 AM, or set a reminder to send a report at a specific time next week.

Quick Start

Register a job to run on March 15, 2026 at 9:00 AM with the label "ready".

Frequently Asked Questions about at

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I schedule a one-shot task to run at a specific time?▼

You can schedule a one-shot task by registering it with a specific ISO 8601 datetime and an optional label. The Skill leverages OS-native schedulers like launchd or atd to execute commands automatically at the specified future moment.

Does task scheduling work on both macOS and Linux?▼

Yes, task scheduling works on both macOS and Linux. The Skill automatically leverages launchd for macOS environments and atd for Linux or WSL systems to ensure reliable native execution of your scheduled jobs.

How do I list and cancel scheduled jobs?▼

You can list scheduled jobs to view their details and cancel them by referencing their specific job ID. This job management functionality allows you to easily monitor and remove one-shot tasks that are no longer needed.

What is the difference between one-shot task scheduling and cron jobs?▼

One-shot task scheduling executes a command exactly once at a specific future datetime, whereas cron jobs typically handle recurring schedules. This Skill focuses on single, precise future execution rather than repetitive task cycles.

Do I need a specific environment to automate one-time task execution?▼

You need a supported operating system environment such as macOS, Linux, or WSL with native schedulers like launchd or atd enabled. The Skill integrates with cekernel dispatch to automate the execution pipeline.

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